Wireless controller



FIG. 1 is a front top perspective view of our wireless controller;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines illustrate features of the wireless controller that form no part of the claimed design. 

CLAIM The ornamental design for a wireless controller, as shown and described. 